CVE-2023-54285 — Out-of-bounds Write in Linux
Severity
7.8HIGHNVD
EPSS
0.0%
top 98.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 30
Description
In the Linux kernel, the following vulnerability has been resolved:
iomap: Fix possible overflow condition in iomap_write_delalloc_scan
folio_next_index() returns an unsigned long value which left shifted
by PAGE_SHIFT could possibly cause an overflow on 32-bit system. Instead
use folio_pos(folio) + folio_size(folio), which does this correctly.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages5 packages
▶CVEListV5linux/linux38be53c3fd7f4f4bd5de319a323d72f9f6beb16d — 0c6cf409093f307ee05114f834516730c0da5b21+3
Patches
🔴Vulnerability Details
2GHSA▶
GHSA-wfvh-f2f6-f56w: In the Linux kernel, the following vulnerability has been resolved:
iomap: Fix possible overflow condition in iomap_write_delalloc_scan
folio_next_i↗2025-12-30
OSV▶
CVE-2023-54285: In the Linux kernel, the following vulnerability has been resolved: iomap: Fix possible overflow condition in iomap_write_delalloc_scan folio_next_ind↗2025-12-30